18068180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69493}}^1$

素因数の和:69515

約数の個数: 24

約数和(自身を含む): 40862472

約数和(自身を除く): 22794292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69493, 138986, 277972, 347465, 694930, 903409, 1389860, 1806818, 3613636, 4517045, 9034090, 18068180]

約数ペア:

[(1, 18068180), (2, 9034090), (4, 4517045), (5, 3613636), (10, 1806818), (13, 1389860), (20, 903409), (26, 694930), (52, 347465), (65, 277972), (130, 138986), (260, 69493)]